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! { dg-do run }
! PR 27980 - We used to allocate negative amounts of memory
! for functions returning arrays if lbound > ubound-1.
! Based on a test case by beliavsky@aol.com posted to
! comp.lang.fortran.
program xint_func
implicit none
integer, parameter :: n=3,ii(n)=(/2,0,-1/)
integer :: i
character(len=80) :: line
do i=1,n
write (line,'(10I5)') int_func(ii(i))
end do
contains
function int_func(n) result(ivec)
integer, intent(in) :: n
integer :: ivec(n)
integer :: i
if (n > 0) then
forall (i=1:n) ivec(i) = i
end if
end function int_func
end program xint_func
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